/*
 *   Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License").
 *   You may not use this file except in compliance with the License.
 *   A copy of the License is located at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   or in the "license" file accompanying this file. This file is distributed
 *   on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 *   express or implied. See the License for the specific language governing
 *   permissions and limitations under the License.
 */

package com.amazon.opendistroforelasticsearch.sql.doctest.core.builder;

import com.amazon.opendistroforelasticsearch.sql.doctest.core.request.SqlRequest;
import com.amazon.opendistroforelasticsearch.sql.doctest.core.response.SqlResponse;
import java.util.Objects;
import org.elasticsearch.client.RestClient;

/**
 * Query and explain request tuple.
 */
public class Requests {

  private final RestClient client;
  private final SqlRequest query;
  private final SqlRequest explain;

  public Requests(RestClient client, SqlRequest query) {
    this(client, query, SqlRequest.NONE);
  }

  public Requests(RestClient client, SqlRequest query, SqlRequest explain) {
    this.client = client;
    this.query = query;
    this.explain = explain;
  }

  public SqlRequest query() {
    return query;
  }

  public SqlResponse queryResponse() {
    Objects.requireNonNull(query, "Query request is required");
    return query.send(client);
  }

  public SqlRequest explain() {
    return explain;
  }

  public SqlResponse explainResponse() {
    if (explain == SqlRequest.NONE) {
      return SqlResponse.NONE;
    }
    return explain.send(client);
  }
}
